Stopovers between Denver and Berlin
Denver to Berlin is about 8,158 km. 12 cities sit close enough to the route to add a night or two, and Reykjavík, Zurich have airline stopover programs. Pick your dates to see what each one really costs.
Cities on the way
Sits almost exactly on the great circle between North America and Europe, so the detour is tiny.
Metro from the airport to the centre in 15 minutes; great for one night.
Train from Schiphol to Centraal in 15 minutes, every few minutes.
US preclearance on the way home means you land in the US as a domestic arrival.
Heathrow Express gets you to Paddington in 15 minutes.
S-Bahn reaches the centre in 15 minutes; the Rhine valley is close.
The Blue Line runs from O'Hare to the Loop around the clock.
Fjord city with a fast airport train.
Train from the airport to the old town in 12 minutes, so even a single night works.
UP Express runs to Union Station in 25 minutes.
RER B from CDG reaches central Paris in about 35 minutes.
Short train in; Bruges and Ghent are an easy day trip.